Finding the Third Proportional to 42,597.25 and 64,492.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,597.25 : 64,492.88 = 64,492.88 : x
2. Step 2: Convert to fraction form
   42,597.25/64,492.88 = 64,492.88/x
3. Step 3: Cross multiply
   42,597.25x = 64,492.88 × 64,492.88
4. Step 4: Simplify right side
   42,597.25x = 4,159,330,925.77
5. Step 5: Solve for x
   x = 4,159,330,925.77/42,597.25
6. Step 6: Final answer
   x = 97,643.18